Fix worker VMs hardware version small bug

Author: nvazquez

plugins/hypervisors/vmware/src/main/java/com/cloud/hypervisor/vmware/manager/VmwareStorageManagerImpl.java

@@ -647,7 +647,8 @@ private Ternary<String, Long, Long> createTemplateFromVolume(VirtualMachineMO vm
             }
 
             // 4 MB is the minimum requirement for VM memory in VMware
-            vmMo.cloneFromCurrentSnapshot(workerVmName, 0, 4, volumeDeviceInfo.second(), VmwareHelper.getDiskDeviceDatastore(volumeDeviceInfo.first()), null);
+            String hardwareVersion = vmMo.getVmxFormattedVirtualHardwareVersion();
+            vmMo.cloneFromCurrentSnapshot(workerVmName, 0, 4, volumeDeviceInfo.second(), VmwareHelper.getDiskDeviceDatastore(volumeDeviceInfo.first()), hardwareVersion);
             clonedVm = vmMo.getRunningHost().findVmOnHyperHost(workerVmName);
             if (clonedVm == null) {
                 String msg = "Unable to create dummy VM to export volume. volume path: " + volumePath;
@@ -965,7 +966,8 @@ private void exportVolumeToSecondaryStorage(VirtualMachineMO vmMo, String volume
 
             if (clonedWorkerVMNeeded) {
                 // 4 MB is the minimum requirement for VM memory in VMware
-                vmMo.cloneFromCurrentSnapshot(workerVmName, 0, 4, volumeDeviceInfo.second(), VmwareHelper.getDiskDeviceDatastore(volumeDeviceInfo.first()), null);
+                String hardwareVersion = vmMo.getVmxFormattedVirtualHardwareVersion();
+                vmMo.cloneFromCurrentSnapshot(workerVmName, 0, 4, volumeDeviceInfo.second(), VmwareHelper.getDiskDeviceDatastore(volumeDeviceInfo.first()), hardwareVersion);
                 clonedVm = vmMo.getRunningHost().findVmOnHyperHost(workerVmName);
                 if (clonedVm == null) {
                     String msg = "Unable to create dummy VM to export volume. volume path: " + volumePath;

vmware-base/src/main/java/com/cloud/hypervisor/vmware/mo/HypervisorHostHelper.java

@@ -1693,8 +1693,8 @@ public static VirtualMachineMO createWorkerVM(VmwareHypervisorHost hyperHost, Da
         VirtualMachineMO workingVM = null;
         VirtualMachineConfigSpec vmConfig = new VirtualMachineConfigSpec();
         vmConfig.setName(vmName);
-        if (hardwareVersion != null){
-            vmConfig.setVersion(("vmx-" + hardwareVersion));
+        if (StringUtils.isNotBlank(hardwareVersion)){
+            vmConfig.setVersion(hardwareVersion);
         }  else {
             ClusterMO clusterMo = new ClusterMO(hyperHost.getContext(), hyperHost.getHyperHostCluster());
             DatacenterMO dataCenterMo = new DatacenterMO(hyperHost.getContext(), hyperHost.getHyperHostDatacenter());

vmware-base/src/main/java/com/cloud/hypervisor/vmware/mo/VirtualMachineMO.java

@@ -3292,6 +3292,21 @@ public int getVirtualHardwareVersion() throws Exception {
         return vhOption.getHwVersion();
     }
 
+    /**
+     * Return a hardware version string in the format expected by Vmware
+     * Format: "vmx-DD" where DD represents the hardware version number
+     */
+    public String getVmxFormattedVirtualHardwareVersion() throws Exception {
+        StringBuilder builder = new StringBuilder();
+        builder.append("vmx-");
+        int hwVersion = getVirtualHardwareVersion();
+        if (hwVersion < 10) {
+            builder.append("0");
+        }
+        builder.append(String.valueOf(hwVersion));
+        return builder.toString();
+    }
+
     public VirtualHardwareOption getVirtualHardwareOption() throws Exception {
         VirtualMachineConfigOption vmConfigOption = _context.getService().queryConfigOption(getEnvironmentBrowser(), null, null);
         return vmConfigOption.getHardwareOptions();